Discussion The thumb CMC joint is a biconcave saddle joint. There are four articulations: trapezium and first metacarpal; trapezium and second metacarpal; trapeziotrapezoid; and scaphotrapezial.

Joint shape comparison of the Mc1 (top 1st row, palmar view; top 2nd row, proximal view) and trapezium (middle row, palmar view; 1st row from bottom, proximal view; 2nd row from bottom, distal ...

Tendon suspension led to the highest increase in thumb carpometacarpal load tolerance during resection-suspension-interposition arthroplasty in patients with thumb carpometacarpal osteoarthritis ...